mirror of
https://gitlab.com/sortix/sortix.git
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611dc22e73
This change makes all the standard library and kernel headers use header guards with a consistent scheme within the reserved namespace to avoid conflicts with non-standard-library-implementation code.
154 lines
3.1 KiB
C
154 lines
3.1 KiB
C
/*
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* Copyright (c) 2013, 2014 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* sortix/ucontext.h
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* Declares ucontext_t and associated values.
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*/
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#ifndef _INCLUDE_SORTIX_UCONTEXT_H
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#define _INCLUDE_SORTIX_UCONTEXT_H
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#include <sys/cdefs.h>
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#include <sortix/sigset.h>
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#include <sortix/stack.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Register declarations for i386 */
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#if defined(__i386__)
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typedef int greg_t;
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#define NGREG 23
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typedef greg_t gregset_t[NGREG];
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enum
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{
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REG_GS = 0,
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#define REG_GS REG_GS
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REG_FS,
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#define REG_FS REG_FS
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REG_ES,
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#define REG_ES REG_ES
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REG_DS,
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#define REG_DS REG_DS
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REG_EDI,
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#define REG_EDI REG_EDI
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REG_ESI,
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#define REG_ESI REG_ESI
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REG_EBP,
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#define REG_EBP REG_EBP
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REG_ESP,
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#define REG_ESP REG_ESP
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REG_EBX,
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#define REG_EBX REG_EBX
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REG_EDX,
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#define REG_EDX REG_EDX
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REG_ECX,
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#define REG_ECX REG_ECX
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REG_EAX,
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#define REG_EAX REG_EAX
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REG_EIP,
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#define REG_EIP REG_EIP
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REG_CS,
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#define REG_CS REG_CS
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REG_EFL,
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#define REG_EFL REG_EFL
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REG_SS,
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#define REG_SS REG_SS
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REG_CR2,
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#define REG_CR2 REG_CR2
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REG_FSBASE,
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#define REG_FSBASE REG_FSBASE
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REG_GSBASE,
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#define REG_GSBASE REG_GSBASE
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};
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#endif
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/* Register declarations for x86-64 */
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#if defined(__x86_64__)
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typedef long int greg_t;
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#define NGREG 23
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typedef greg_t gregset_t[NGREG];
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enum
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{
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REG_R8 = 0,
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#define REG_R8 REG_R8
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REG_R9,
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#define REG_R9 REG_R9
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REG_R10,
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#define REG_R10 REG_R10
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REG_R11,
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#define REG_R11 REG_R11
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REG_R12,
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#define REG_R12 REG_R12
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REG_R13,
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#define REG_R13 REG_R13
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REG_R14,
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#define REG_R14 REG_R14
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REG_R15,
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#define REG_R15 REG_R15
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REG_RDI,
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#define REG_RDI REG_RDI
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REG_RSI,
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#define REG_RSI REG_RSI
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REG_RBP,
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#define REG_RBP REG_RBP
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REG_RBX,
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#define REG_RBX REG_RBX
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REG_RDX,
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#define REG_RDX REG_RDX
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REG_RAX,
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#define REG_RAX REG_RAX
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REG_RCX,
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#define REG_RCX REG_RCX
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REG_RSP,
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#define REG_RSP REG_RSP
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REG_RIP,
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#define REG_RIP REG_RIP
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REG_EFL,
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#define REG_EFL REG_EFL
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REG_CSGSFS, /* Actually short cs, gs, fs, __pad0. */
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#define REG_CSGSFS REG_CSGSFS
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REG_CR2,
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#define REG_CR2 REG_CR2
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REG_FSBASE,
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#define REG_FSBASE REG_FSBASE
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REG_GSBASE,
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#define REG_GSBASE REG_GSBASE
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};
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#endif
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typedef struct
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{
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gregset_t gregs;
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#if defined(__i386__) || defined(__x86_64__)
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unsigned char fpuenv[512];
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#endif
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} mcontext_t;
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typedef struct ucontext
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{
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struct ucontext* uc_link;
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sigset_t uc_sigmask;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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} ucontext_t;
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif
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